package com.xx.cloud.pay.tool;

import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONArray;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import jakarta.servlet.http.HttpServletRequest;


import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;

/**
 * 获取IP方法
 *
 * @author ruoyi
 */
public class IpUtils {

    public static String getIpAddr(HttpServletRequest request) {
        if (request == null) {
            return "unknown";
        }
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Forwarded-For");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
        }

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        String firstIpAddress = getFirstIpAddress(ip);

        return "0:0:0:0:0:0:0:1".equals(firstIpAddress) ? "127.0.0.1" : firstIpAddress;
    }

    public static boolean internalIp(String ip) {
        byte[] addr = textToNumericFormatV4(ip);
        return internalIp(addr) || "127.0.0.1".equals(ip);
    }

    private static boolean internalIp(byte[] addr) {
        if (addr == null || addr.length < 2) {
            return true;
        }
        final byte b0 = addr[0];
        final byte b1 = addr[1];
        // 10.x.x.x/8
        final byte SECTION_1 = 0x0A;
        // 172.16.x.x/12
        final byte SECTION_2 = (byte) 0xAC;
        final byte SECTION_3 = (byte) 0x10;
        final byte SECTION_4 = (byte) 0x1F;
        // 192.168.x.x/16
        final byte SECTION_5 = (byte) 0xC0;
        final byte SECTION_6 = (byte) 0xA8;
        switch (b0) {
            case SECTION_1:
                return true;
            case SECTION_2:
                if (b1 >= SECTION_3 && b1 <= SECTION_4) {
                    return true;
                }
            case SECTION_5:
                switch (b1) {
                    case SECTION_6:
                        return true;
                }
            default:
                return false;
        }
    }

    /**
     * 将IPv4地址转换成字节
     *
     * @param text IPv4地址
     * @return byte 字节
     */
    public static byte[] textToNumericFormatV4(String text) {
        if (text.length() == 0) {
            return null;
        }

        byte[] bytes = new byte[4];
        String[] elements = text.split("\\.", -1);
        try {
            long l;
            int i;
            switch (elements.length) {
                case 1:
                    l = Long.parseLong(elements[0]);
                    if ((l < 0L) || (l > 4294967295L))
                        return null;
                    bytes[0] = (byte) (int) (l >> 24 & 0xFF);
                    bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
                    bytes[3] = (byte) (int) (l & 0xFF);
                    break;
                case 2:
                    l = Integer.parseInt(elements[0]);
                    if ((l < 0L) || (l > 255L))
                        return null;
                    bytes[0] = (byte) (int) (l & 0xFF);
                    l = Integer.parseInt(elements[1]);
                    if ((l < 0L) || (l > 16777215L))
                        return null;
                    bytes[1] = (byte) (int) (l >> 16 & 0xFF);
                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
                    bytes[3] = (byte) (int) (l & 0xFF);
                    break;
                case 3:
                    for (i = 0; i < 2; ++i) {
                        l = Integer.parseInt(elements[i]);
                        if ((l < 0L) || (l > 255L))
                            return null;
                        bytes[i] = (byte) (int) (l & 0xFF);
                    }
                    l = Integer.parseInt(elements[2]);
                    if ((l < 0L) || (l > 65535L))
                        return null;
                    bytes[2] = (byte) (int) (l >> 8 & 0xFF);
                    bytes[3] = (byte) (int) (l & 0xFF);
                    break;
                case 4:
                    for (i = 0; i < 4; ++i) {
                        l = Integer.parseInt(elements[i]);
                        if ((l < 0L) || (l > 255L))
                            return null;
                        bytes[i] = (byte) (int) (l & 0xFF);
                    }
                    break;
                default:
                    return null;
            }
        } catch (NumberFormatException e) {
            return null;
        }
        return bytes;
    }

    public static String getHostIp() {
        try {
            return InetAddress.getLocalHost().getHostAddress();
        } catch (UnknownHostException e) {
        }
        return "127.0.0.1";
    }

    public static String getHostName() {
        try {
            return InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException e) {
        }
        return "未知";
    }


    private static String getFirstIpAddress(String ipAddressList) {
        if (ipAddressList == null || ipAddressList.isEmpty()) {
            throw new IllegalArgumentException("Invalid IP address list.");
        } else {
            int commaIndex = ipAddressList.indexOf(",");

            if (commaIndex != -1) {
                return ipAddressList.substring(0, commaIndex).trim();
            } else {
                return ipAddressList.trim();
            }
        }
    }

    /**
     * 通过IP获取地址信息
     *
     * @param ip
     * @return
     * @throws UnsupportedEncodingException
     */
    public static String getAddresses(String ip) {
        try {
            // 这里调用pconline的接口
            String url = "http://whois.pconline.com.cn/ipJson.jsp";
            Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("json", true);
            paramMap.put("ip", ip);
            // 带参GET请求
            String returnStr = HttpUtil.get(url, paramMap);
            if (returnStr != null) {
                JSONObject rs = JSONUtil.parseObj(returnStr);
                String region = rs.getStr("addr");
                return region;
            }
        } catch (Exception e) {
            return null;
        }
        return null;
    }

    /**
     * 通过IP获取省市
     *
     * @param ip
     * @return
     * @throws UnsupportedEncodingException
     */
    public static Map<String, String> getProCity(String ip) {
        try {
            // 这里调用pconline的接口
            String url = "http://whois.pconline.com.cn/ipJson.jsp";
            Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("json", true);
            paramMap.put("ip", ip);
            // 带参GET请求
            String returnStr = HttpUtil.get(url, paramMap);
            if (returnStr != null) {
                JSONObject rs = JSONUtil.parseObj(returnStr);
                Map<String, String> map = new HashMap<>();
                map.put("pro", rs.getStr("pro"));
                map.put("city", rs.getStr("city"));
                map.put("addr", rs.getStr("addr"));
                return map;
            }
        } catch (Exception e) {
            return null;
        }
        return null;
    }


    /**
     * 通过IP获取省市
     * <p>
     * {
     * "status": "0",
     * "t": "",
     * "set_cache_time": "",
     * "data": [
     * {
     * "ExtendedLocation": "",
     * "OriginQuery": "192.168.7.137",
     * "SchemaVer": "",
     * "appinfo": "",
     * "disp_type": 0,
     * "fetchkey": "192.168.7.137",
     * "location": "本地局域网",
     * "origip": "192.168.7.137",
     * "origipquery": "192.168.7.137",
     * "resourceid": "6006",
     * "role_id": 0,
     * "schemaID": "",
     * "shareImage": 1,
     * "showLikeShare": 1,
     * "showlamp": "1",
     * "strategyData": {},
     * "titlecont": "IP地址查询",
     * "tplt": "ip"
     * }
     * ]
     * }
     *
     * @param ip
     * @return
     * @throws UnsupportedEncodingException
     */
    public static Map<String, String> getCity(String ip) {
        try {
            // 这里调用pconline的接口
            String url = "https://api.vore.top/api/IPdata";
            Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("ip", ip);
            // 带参GET请求
            String returnStr = HttpUtil.get(url, paramMap);
            System.out.println(returnStr);
            if (returnStr != null) {
                JSONObject rs = JSONUtil.parseObj(returnStr);
                Map<String, String> map = new HashMap<>();
                map.put("adcode", rs.getStr("adcode"));
                return map;
            }
        } catch (Exception e) {
            return null;
        }
        return null;
    }


    public static String getCityArray(String ip) {
        try {
            // 这里调用pconline的接口
            String url = "https://opendata.baidu.com/api.php";
            Map<String, Object> paramMap = new HashMap<>();
            paramMap.put("query", ip);
            paramMap.put("co", "");
            paramMap.put("resource_id", "6006");
            paramMap.put("oe", "utf8");
            // 带参GET请求
            String returnStr = HttpUtil.get(url, paramMap);
            System.out.println(returnStr);

            if (returnStr != null) {
                JSONObject rs = JSONUtil.parseObj(returnStr);

                JSONArray location = rs.getJSONArray("data");

                JSONObject o = location.getJSONObject(0);

                String location1 = o.getStr("location");
                return location1;
            }
        } catch (Exception e) {
            return null;
        }
        return null;
    }


    public static void main(String[] args) {
        //河北省唐山市 电信
        String proCity = getCityArray("106.117.214.126");
		System.out.println(proCity);

    }
}
